SNAKES OF CEYLON. 



569 



N. ruelanoleuca, 466 



N. nigricollis, 466 



N. tripudians, 77, 458, 459, 493. 



494, 495 

 natrix (Tropidonotus), 113 

 neglectus (Polypholophis), 323. 



324, 380 

 nepa (Coluber), 549 

 Nerodia, 90 

 N. piscator, 77, 91, 98, 100, 101, 



103, 130, 296 

 nigra (Prsescutata viperina, var.), 



392 

 nigricollis (Naia), 466 

 nigrocincta (Amphiesma), 102 

 nigrocinctus (Melanomystax), 323, 



324, 382 



nympha (Dryocalamus), 76, 166, 

 169 



obscurus (Porrecticollis), 323, 324. 



325, 335, 408 

 Oligodon, 229, 231, 232 



O. arnensis, 77, 231, 237, 238, 



454 

 O. splendidus, 241 

 O. subgriseus, 76, 231. 239, 244 

 O. sublineatus, 76, 85, 200, 248, 



492, 498 

 O. tseniolatus, 239 

 O. templetoni, 76, 245 

 O. venustus, 241 

 oligozonatus (Lycodon aulicus, 



var.), 151, 152 

 Ophichthys boro., 319, 326, 356 | 

 O. orientalis, 319, 326, 356 

 Opisthoglypha, 75, 254 

 ornata (Chitulia), 323, 324, 392, I 



416 

 ornata (Chrysopelea), 76, 179, 199, ! 



224, 225, 305, 307, 311, 312 

 Oxyglossus lsevis, 111 

 oxyrhynchus (Rhinophis), 23, 32 



pallidus (Hydrus platurus), var., I 



422 

 pallidus (Zaocys mucosus), var., 



173 

 phillipinus (Typhlops), 36 

 phipsoni (Lioselasma cyanocincta), 



var., 362, 370 

 pectus (Dendrophis), 199, 221, 224, 



225, 311, 312 



piscator (Nerodia), 17, 77, 90, 91, 

 93, 94, 98, 100, 101, 103, 112, 

 115, 116. 130, 296 



planiceps (Rhinophis)> 23, 36, 38, 

 40, 43 



Platurus, 316, 317, 318, 322, 426 

 platurus (Hydrus), 320, 321, 322, 



323, 324, 397, 420 

 platyceps (Amphiesma), 102, 296 

 Platylepas sp., 322, 424 

 P. krugeri, 322 

 P. ophiophilus, 322, 406 

 Plesiosaurus, 63 

 plumbea (Hypsirhina), 263 

 Plumbago capensis, 106 

 plumbicolor (Macropisthodon), 77, 



126, 127, 128, 132, 139 

 Polyodontognathus, 375 

 P. cserulescens, 322, 323, 324, 375, 



378 

 Polyodontophis, 82, 83 

 P. collaris, 296 



P. subpunctatus, 77, 84, 86, 88 

 Polypholophis, 380 

 P. neglectus, 323, 324, 380 

 Porocephalus armillatus, 70 

 P. crotali, 98, 120 

 P. moniliformis, 69 

 P. pattoni, 187 

 Porrecticollis, 335 

 P. obscurus, 323, 335, 338, 408 

 porrectus (Rhinophis), xiii, 23, 31, 



35 

 Praescutata viperina, 323, 324, 391, 



394 

 prevostiana (Gerardia), 77, 136, 



262 

 Proteroglypha, 75, 315 

 Psammophis condanarus, 179, 535 

 Pseudoxenodon, 102 

 Pterocercus, 99, 121 

 Ptychozoon homalocephalum, 312 

 pulverulentus (Dryophis), 76, 290, 



292, 294 

 punctatus (Rhinophis), 23, 33, 34, 



35 

 punctulatus (Nerodia), 90, 91 

 Pythoninae, 46 

 Python, 46 



P. molurus, 48, 59, 71, 72, 505 

 P. reticulatus, 68, 476 



quincunciata (Nerodia piscator, 

 var.), 92 



Rachiodontinse, 254 



Rana breviceps, 111 



R. cyanophlyctis, 111 



R. limnocharis, 94 



R. tigrina, 111, 179, 184, 296, 47tt 



rappi (Ablabes), 250 



regius (Python), 47, 70 



reticulatus (Python), 68, 69, 476 



